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JEE MAIN 2022
24-06-2022 S2
Question
Consider the following statements :
A : Rishi is a judge.
B : Rishi is honest.
C : Rishi is not arrogant.
The negation of the statement "if Rishi is a judge and he is not arrogant, then he is honest" is
Select the correct option:
A
$B \rightarrow(A \vee C)$
B
$(\sim B) \wedge(A \wedge C)$
C
$B \rightarrow((\sim A) \vee(\sim C))$
D
$B \rightarrow(A \wedge C)$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
$$ \begin{aligned} & \sim((A \wedge C) \rightarrow B) \\ & \sim(\sim(A \wedge C) \vee B) \end{aligned} $$ Using De-Morgan's law $$ (A \wedge C) \wedge(\sim B) $$ Option B is correct.
Question Tags
JEE Main
Mathematics
Easy
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